| Tournament | Round | Maureen Gardner | Rene Chelton |
| 09.08.2009 Magnetic Island Sunday (QLD) | 1 | 373 | 390 |
| 31.07.2010 TOWNSVILLE 2010 (QLD) | 13 | 352 | 527 |
| 07.08.2010 MISaturday (QLD) | 6 | 407 | 320 |
| 30.07.2011 Townsville Saturday (QLD) | 3 | 337 | 341 |
| 31.07.2011 Townsville Sunday (QLD) | 4 | 490 | 426 |
| 07.08.2011 Magnetic Is Sunday (QLD) | 6 | 481 | 327 |
| 09.04.2012 Australian Championship (TAS) | 8 | 353 | 399 |
| 02.04.2018 2018 National Championship (ACT) | 3 | 438 | 345 |
| 02.04.2018 2018 National Championship (ACT) | 21 | 503 | 374 |
| Head-to-head after 9 games | 5 | 4 | |
| Average score | 414.88 | 383.22 | |
| Spread: | 285 | -285 | |